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<?php |
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namespace FinanCalc\Utils\Time { |
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use Exception; |
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use FinanCalc\Constants\ErrorMessages; |
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use FinanCalc\Utils\Config; |
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use FinanCalc\Utils\MathFuncs; |
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/** |
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* Class TimeUtils |
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* @package FinanCalc\Utils |
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*/ |
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class TimeUtils |
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{ |
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/** |
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* @param $numberOfDays |
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* @return string |
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* @throws Exception |
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*/ |
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public static function getYearsFromDays($numberOfDays) |
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{ |
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return MathFuncs::div( |
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$numberOfDays, |
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self::getCurrentDayCountConvention()['days_in_a_year'] |
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); |
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} |
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/** |
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* @param $numberOfMonths |
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* @return string |
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*/ |
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public static function getYearsFromMonths($numberOfMonths) |
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{ |
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return MathFuncs::div( |
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$numberOfMonths, |
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12 |
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); |
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} |
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/** |
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* @param $numberOfYears |
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* @return string |
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*/ |
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public static function getYearsFromYears($numberOfYears) |
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{ |
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return MathFuncs::div( |
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$numberOfYears, |
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1 |
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); |
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} |
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/** |
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* @param $numberOfDays |
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* @return string |
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* @throws Exception |
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*/ |
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public static function getMonthsFromDays($numberOfDays) |
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{ |
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return MathFuncs::div( |
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$numberOfDays, |
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self::getCurrentDayCountConvention()['days_in_a_month'] |
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); |
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} |
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/** |
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* @param $numberOfMonths |
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* @return string |
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*/ |
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public static function getMonthsFromMonths($numberOfMonths) |
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{ |
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return MathFuncs::div( |
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$numberOfMonths, |
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1 |
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); |
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} |
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/** |
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* @param $numberOfYears |
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* @return string |
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*/ |
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public static function getMonthsFromYears($numberOfYears) |
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{ |
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return MathFuncs::mul( |
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$numberOfYears, |
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12 |
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); |
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} |
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/** |
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* @param $numberOfDays |
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* @return string |
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*/ |
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public static function getDaysFromDays($numberOfDays) |
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{ |
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return MathFuncs::div( |
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$numberOfDays, |
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1 |
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); |
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} |
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/** |
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* @param $numberOfMonths |
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* @return string |
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* @throws Exception |
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*/ |
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public static function getDaysFromMonths($numberOfMonths) |
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{ |
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return MathFuncs::mul( |
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$numberOfMonths, |
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self::getCurrentDayCountConvention()['days_in_a_month'] |
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); |
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} |
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/** |
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* @param $numberOfYears |
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* @return string |
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* @throws Exception |
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*/ |
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public static function getDaysFromYears($numberOfYears) |
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{ |
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return MathFuncs::mul( |
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$numberOfYears, |
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self::getCurrentDayCountConvention()['days_in_a_year'] |
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); |
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} |
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/** |
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* @return mixed |
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* @throws Exception |
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*/ |
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public static function getCurrentDayCountConvention() |
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{ |
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$dayCountConventionIdentifier = Config::getConfigField('day_count_convention'); |
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$availableDayCountConventions = Config::getConfigField('available_day_count_conventions'); |
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if (is_array($availableDayCountConventions) && |
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array_key_exists($dayCountConventionIdentifier, $availableDayCountConventions) |
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) { |
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$dayCountConvention = $availableDayCountConventions[$dayCountConventionIdentifier]; |
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if (self::isDayCountConventionValid($dayCountConvention)) { |
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$dayCountConvention['days_in_a_month'] = MathFuncs::div($dayCountConvention['days_in_a_year'], 12); |
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return $dayCountConvention; |
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} |
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} |
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throw new Exception(ErrorMessages::getDayCountConventionNotDefinedMessage()); |
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} |
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/** |
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* @param $dayCountConvention |
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* @return bool |
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*/ |
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public static function isDayCountConventionValid($dayCountConvention) |
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{ |
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if (is_array($dayCountConvention)) { |
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$dayCountConventionField = $dayCountConvention['days_in_a_year']; |
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if (!is_string($dayCountConventionField) || !ctype_digit($dayCountConventionField)) { |
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return false; |
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} |
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return true; |
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} |
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return false; |
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} |
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} |
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} |
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uruba /
FinanCalc
